stress - 2023 BHSU - Buzzpoints App

Question

Richard von Mises calculated a critical value of this quantity beyond which an isotropic, ductile material will yield. For 10 points each:

[10e] Name this quantity, the force per unit area that induces strain in a deformable material.

ANSWER: stress

[10m] The product of the stress tensor with the unit normal vector for a surface gives this quantity, the force acting on the surface per unit area.

ANSWER: traction vector

[10h] The component of the stress normal to this plane equals simply one-third the first stress invariant. This plane forms equal angles with all 3 principal axes, and it is named for the figure formed by connecting all possible examples of it.

ANSWER: octahedral plane

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Summary


2023 BHSU @ Berkeley	03/18/2023	Y	3	6.67	67%	0%	0%
2023 BHSU @ Maryland	03/11/2023	Y	3	6.67	67%	0%	0%
2023 BHSU @ Northwestern	02/25/2023	Y	6	8.33	83%	0%	0%
2023 BHSU Online	04/15/2023	Y	4	12.50	100%	25%	0%
2023 BHSU @ Sheffield	04/15/2023	Y	2	15.00	100%	50%	0%
2023 BHSU @ Waterloo	04/15/2023	Y	2	5.00	50%	0%	0%
2023 BHSU @ Yale	04/08/2023	Y	3	13.33	100%	0%	33%

Data


Berkeley A	[Insert Lawyer Joke Here]	0	0	0	0
Stanford A	It's Joever	10	0	0	10
Berkeley B	Stanford B	10	0	0	10
Fan-tastic Negs and Where to Find Them	Maryland A	10	0	0	10
Rutgers Diaspora	Maryland B+	0	0	0	0
Glass Onyen: A Knives Out Mystery	The Perfection of Wisdom in 8,000 Negs	10	0	0	10
Illinois	Amartya Senpai Notice Me	10	0	0	10
Brownstein et al.	Mojo Shojo	10	0	0	10
Chicago A	OSU	10	0	0	10
WUSTL	Michigan	0	0	0	0
Northwestern	Epic Games	10	0	0	10
Purdue University Fightin' Hadrien Davids	Chicago B+	10	0	0	10
Cornell B-	Cornell C++	10	0	0	10
Rollin in from Sturgis, The Cheyne Gang	Dr. Christopher Manners, MD – Samarra, Iraq	10	0	0	10
What is BH! And you are asking me? BHSU	Houston and friends	10	0	0	10
The Enrique Trastamara Military Academy B	Hutto Hippos	10	10	0	20
Magisters Ludi	Broken Imperial Nomads	10	10	0	20
Buzzers Karamazov	Oxford Hornets	10	0	0	10
Milan et al.	Neg 5! Playing Quizbowl, Liddy Style	0	0	0	0
The Passion According to C.H.	The Vulture's Guide to Buzz	10	0	0	10
UG Championship Players (and Mazin)	Columbia B	10	0	0	10
meet the new weird, same as the old weird	Watching Arthur Delot-Vilain at Chicago Open Made Me Like French People Again	10	0	0	10
Olmo (Bonus) Bagelry	nats is supposed to mean you all have gone soft	10	0	10	20